フックキャップ

The threading is spot-on, so it locks in tight and doesn’t shift mid-workout—exactly what you want from a replacement part. It’s solid and keeps everything secure, which is a relief since I use my reformer daily.

It threads on perfectly without any wobble, which gave me confidence it would hold up during intense sessions. The snug fit on the reformer hook is exactly what I needed to stop that little rattling noise.

Wasn't sure a tiny part could make a difference, but this hook cap fits snugly and keeps the spring mechanism from slipping during my reformer sessions. The plastic feels solid, not flimsy like the old one that cracked.